Kavinder Dhaliwal created HAWQ-927:
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Summary: Send Projection Info Data from HAWQ to PXF
Key: HAWQ-927
URL: https://issues.apache.org/jira/browse/HAWQ-927
Project: Apache HAWQ
Issue Type: Sub-task
Components: External Tables
Reporter: Kavinder Dhaliwal
Assignee: Lei Chang
To achieve column projection at the level of PXF or the underlying readers we
need to first send this data as a Header/Param to PXF. Currently, PXF has no
knowledge whether a query requires all columns or a subset of columns.
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